Muscle Cells

Label the muscle type from left to right.

• cardiac smooth skeletal

• skeletal cardiac smooth

• skeletal smooth cardiac

• cardiac skeletal smooth

Which muscle type is striated?

• cardiac

• skeletal

• smooth

• cardiac and skeletal

What type of muscle lines the inside of the stomach?

• cardiac

• skeletal

• smooth

What type of muscle is not banded or striated?

• cardiac

• skeletal

• smooth

• Circumferential

a skeletal muscle cell is depolarized when _____.

• K+ enter the cell

• Na+ exits the cell

• Na+ enters the cell

• Ca+ enters the cell

• Cl+ exits the cell

The functional unit of the muscle cell is the:

• Sarcomere

• Myofilament

• Osteon

• Muscle fiber

________ is a high energy compound unique to muscle cells, which provides energy for regeneration of ATP.

• lactic acid

• pyruvic acid

• creatine phosphate

• tropomyosin

The functional unit of the muscle cell is the: 

• Sarcomere

• Osteon

• Myofilament

• Muscle fiber

What is the structure that stores calcium in the muscle cell?

• Sarcoplasmic reticulum

• Myoglobin

• Neuron

• Neuromuscular junction

The refractory period in which the muscle will not contract if stimulated occurs during ​ (a)   of the muscle cell

• repolarization

• hyperpolarization

• polarization

• depolarization